testcase for returning nan

3 files changed, 41 insertions, 5 deletions

diff --git a/tests/cases/returnnan_fastcomp.ll b/tests/cases/returnnan_fastcomp.ll
new file mode 100644
index 00000000..3a6a9f9e
--- /dev/null
+++ b/tests/cases/returnnan_fastcomp.ll
@@ -0,0 +1,34 @@
+; ModuleID = 'tests/hello_world.bc'
+target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128"
+target triple = "asmjs-unknown-emscripten"
+
+@.str = private unnamed_addr constant [18 x i8] c"hello, world %f!\0A\00", align 1
+
+define i32 @main() {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval
+  %f = call double @nand()
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([18 x i8]* @.str, i32 0, i32 0), double %f)
+  %g = call double @zerod()
+  %call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([18 x i8]* @.str, i32 0, i32 0), double %g)
+  %h = call float @zerof()
+  %hd = fpext float %h to double
+  %call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([18 x i8]* @.str, i32 0, i32 0), double %hd)
+  ret i32 1
+}
+
+define double @nand() unnamed_addr align 2 {
+  ret double 0x7FF8000000000000
+}
+
+define double @zerod() unnamed_addr align 2 {
+  ret double 0x0000000000000000
+}
+
+define float @zerof() unnamed_addr align 2 {
+  ret float 0x0000000000000000
+}
+
+declare i32 @printf(i8*, ...)
+
diff --git a/tests/cases/returnnan_fastcomp.txt b/tests/cases/returnnan_fastcomp.txt
new file mode 100644
index 00000000..f11733ba
--- /dev/null
+++ b/tests/cases/returnnan_fastcomp.txt
@@ -0,0 +1,3 @@
+hello, world nan!
+hello, world 0.000000!
+hello, world 0.000000!
diff --git a/tests/hello_world.ll b/tests/hello_world.ll
index ab4b199f..7090b732 100644
--- a/tests/hello_world.ll
+++ b/tests/hello_world.ll
@@ -2,16 +2,15 @@
 target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128"
 target triple = "asmjs-unknown-emscripten"
 
-@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1 ; [#uses=1 type=[15 x i8]*]
+@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1
 
-; [#uses=0]
 define i32 @main() {
 entry:
-  %retval = alloca i32, align 4                   ; [#uses=1 type=i32*]
+  %retval = alloca i32, align 4
   store i32 0, i32* %retval
-  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) ; [#uses=0 type=i32]
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0))
   ret i32 1
 }
 
-; [#uses=1]
 declare i32 @printf(i8*, ...)
+